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Bis-(pentafluorophenyl)bromoalane, also known as C6F5AlBr2, is a chemical compound consisting of two pentafluorophenyl groups (C6F5) bonded to a central aluminum (Al) atom, with a bromine (Br) atom attached to the aluminum. This organoaluminum compound is characterized by its high stability and strong Lewis acidity, making it a valuable reagent in various organic synthesis reactions, particularly in the formation of carbon-carbon bonds and the activation of hydrocarbons. Its unique structure and properties have also led to its use in the development of new materials and catalysts in the field of chemistry.

4457-91-4

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4457-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4457-91-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,5 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4457-91:
(6*4)+(5*4)+(4*5)+(3*7)+(2*9)+(1*1)=104
104 % 10 = 4
So 4457-91-4 is a valid CAS Registry Number.

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